In addition to rapid and lasting weight loss and a passel of other health benefits, bariatric surgery has now been linked to a 61% reduction in the risk of developing malignant melanoma, a deadly form of skin cancer most closely associated with excessive sun exposure.

Compared to women of normal weight, those with obesity are 24% more likely to develop one of a handful of cancers linked to the condition, and their chances of developing cancers of the kidney or endometrium were around twice as high as those of normal-weight women, new research has found.

Fighting global warming is starting to sound like a lucrative investment. A new study out of Stanford University finds that keeping global warming a half-degree beneath the Paris climate agreement’s 2 degree Celsius target could potentially save more than $20 trillion globally.

The opioid crisis has shown us that prescription painkillers and their illicit counterparts can wreak havoc in American communities. Now researchers have quantified the damage they can do inside hospitals when administered to patients following surgeries and other invasive medical procedures.

One of California’s least tarnished stretches of coastline will be accessible only to wealthy property owners, visitors with guides and those who can boat or paddle two miles under a deal between state officials and landowners in Hollister Ranch, who have for decades fought to keep their beaches...

In a distant galaxy more than 13 billion light-years from Earth, astronomers have discovered traces of the oldest known oxygen in the universe, as well as evidence that ancient stars “turned on” as early as 250 million years after the Big Bang.

America's birth rate hit yet another record low in 2017, as mothers in nearly all age groups give birth to fewer babies last year than they had the year before, according to the Centers for Disease Control and Prevention.

In an effort to save half a million lives each year, the World Health Organization on Monday urged developing nations to follow the lead of affluent countries and eliminate man-made trans fatty acids from their food supplies.